33-920-INK 30 mm Dia. N-BAF10/N-SF57 Achromatic Doublet; EFL=40mm VIS 0° 425-675nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 30 mm
- EFL
- 40 mm
- R1
- 25.62 mm
- R2
- -25.62 mm
Material 1
- Name
- N-BAF10
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.6730569473646495
- λ
- 550 nm
- B1
- 1.5851495
- C1
- 0.00926681282 μm2
- B2
- 0.143559385
- C2
- 0.0424489805 μm2
- B3
- 1.08521269
- C3
- 105.613573 μm2
Material 2
- Name
- N-SF57
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.854148364121864
- λ
- 550 nm
- B1
- 1.87543831
- C1
- 0.0141749518 μm2
- B2
- 0.37375749
- C2
- 0.0640509927 μm2
- B3
- 2.30001797
- C3
- 177.389795 μm2
33-920-INK 30 mm Dia. N-BAF10/N-SF57 Achromatic Doublet; EFL=40mm VIS 0° 425-675nm
The 33-920-INK is a high-quality achromatic doublet lens, boasting a 30 mm diameter and an effective focal length (EFL) of 40 mm, specifically designed for the visible light spectrum ranging from 425 to 675 nm. This lens is sourced from the renowned optical vendor, Edmund Optics, and is available for purchase on their official website.
This achromatic doublet is meticulously crafted from two distinct optical materials, N-BAF10 and N-SF57, both from the reputable Schott glass catalog. The lens features a sophisticated geometry, with an edge thickness of 9.87 mm, a center thickness of 10.9 mm, and a back thickness of 4.6 mm. The lens's inner and outer radii are optimized for superior performance, although these specific values are not provided in the item data.
The 33-920-INK lens is equipped with a standard EDMM Vis-0 coating on both the front and back surfaces, ensuring enhanced light transmission and protection against environmental factors. This lens is classified as a multiplet due to its construction from multiple optical elements, contributing to its superior optical performance.
